Cisco SLM2008 - Small Business Smart Switch Información técnica Pagina 143
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IP Configuration
Domain Name System
Cisco Small Business SG200 Series 8-port Smart Switch 143
9
See the following topics for more information on the configuration pages available
in the IP Configuration > Domain Name System menu.
• Configuring DNS Servers
• Hostname Mapping
Configuring DNS Servers
To resolve a hostname to an IP address, the client contacts one or more DNS
servers. DNS servers can be learned dynamically if the management interface is
configured as a DHCP client (see Management Interface). You can also use the
DNS Servers page to statically configure DNS servers.
DNS client functionality is enabled by default.
Configuring Global DNS Settings
To configure the DNS server mode and global settings:
STEP 1 Click IP Configuration > Domain Name System > DNS Servers in the navigation
window.
STEP 2 Select Enable to implement DNS client functionality on the switch, if it is not
already enabled.
STEP 3 Enter the following parameters:
• Default Domain Name—Specify a domain name to be used to complete an
unqualified hostname. For example, finance.yahoo.com is a fully qualified
domain name. If only the unqualified hostname, finance, is specified, the
default domain name yahoo.com would be appended, with a period in
between. In your entry, do not include the period that separates the
unqualified hostname from the domain name. The range is 1–255
alphanumeric characters.
• Domain retry—Specify the number of times to retry sending DNS queries.
The range is 0–100 and the default value is 2 times.
• Domain timeout—Specify the time in seconds that the switch waits for a
response to a DNS query. The range is 0–3600 seconds and the default is
3seconds.
- Cisco Small Business 1
- ADMINISTRATION 1
- Contents 2
- Chapter 1: Getting Started 8 2
- Chapter 3: Administration 32 2
- Chapter 4: Port Management 90 4
- Chapter 6: Spanning Tree 118 5
- Chapter 8: Multicast 131 5
- Chapter 10: Security 146 6
- Getting Started 8
- Launching the Utility 9
- Logging In 9
- Logging Out 10
- Window Navigation 12
- Other Resources 13
- Navigation Window 14
- Management Buttons 14
- Viewing Statistics 18
- System Summary 19
- Configuring System Settings 21
- Interface Statistics 22
- Etherlike Statistics 23
- 802.1X EAP Statistics 24
- IPv6 DHCP Statistics 25
- RADIUS Statistics 26
- RAM Memory Log 29
- Flash Memory Log 30
- Administration 32
- Management Interface 34
- Adding IPv6 Addresses 36
- IPv6 Default Router Table 37
- Managing User Accounts 39
- Changing a User Password 40
- Deleting a User 41
- Enabling Management Services 42
- Login Sessions 42
- Login History 43
- Time Settings 43
- Configuring the SNTP Setting 46
- Time S ettings 47
- System Logs 51
- Configuring Log Settings 52
- File Management 54
- STEP 4 Enter the parameters: 60
- STEP 6 Click Apply 60
- Delete Configuration 61
- DHCP Auto Configuration 62
- Overview 63
- DHCP Server Message Details 63
- STEP 2 Enter the parameters: 68
- Firmware Recovery Over HTTP 69
- Boot Prompt 71
- Rebooting the Switch 74
- Pinging Hosts 74
- Diagnostics 76
- Testing Copper Ports 77
- Configuring Port Mirroring 78
- Enabling Bonjour 80
- LLDP-MED 81
- LLDP-MED Port Status Details 85
- LLDP-MED Neighbor Information 87
- Port Management 90
- Configuring Port Settings 91
- Link Aggregation 92
- Configuring LAG Settings 93
- Configuring LACP 94
- Configuring PoE 96
- Configuring PoE Port Settings 98
- Green Ethernet 100
- VLAN Management 103
- Creating VLANs 104
- Configuring VLAN Membership 108
- Configuring Port to VLAN 109
- Setting the Default VLAN 111
- Voice and Media 112
- STEP 1 Click Add 113
- Media VLAN 115
- Auto VoIP Sessions 117
- Spanning Tree 118
- STEP 3 Enter the parameters: 121
- RSTP Interface Settings 123
- MSTP Instance Settings 125
- MSTP Interface Settings 125
- MAC Address Tables 127
- Dynamic MAC Addresses 129
- Multicast 131
- Multicast Properties 132
- STEP 2 Enter the parameters: 134
- Configuring Group-to-Port 135
- Configuring IGMP Snooping 136
- Configuring MLD Snooping 138
- STEP 5 Enter the parameters: 139
- IP Configuration 142
- Configuring DNS Servers 143
- Hostname Mapping 144
- Domain Name System 145
- Security 146
- Adding a RADIUS Server 147
- Password Strength 149
- Authentication Methods 153
- Storm Control 154
- Port Security 155
- Defining 802.1X Properties 158
- Quality of Service 164
- QoS Properties 165
- Defining Queues 166
- Configuring Queues 167
- Mapping DSCP Values to Queues 171
- Defining Rate Limit Profiles 172
- Traffic Shaping 174
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